On Fri, 20 Jun 2014, Paul E. McKenney wrote: > > I like this approach *far* better. This is the kind of thing I had in > > mind when I suggested using the fqs machinery: remove the poll entirely > > and just thwack a CPU if it takes too long without a quiescent state. > > Reviewed-by: Josh Triplett <j...@joshtriplett.org> > > Glad you like it. Not a fan of the IPI myself, but then again if you > are spending that must time looping in the kernel, an extra IPI is the > least of your problems.
Good. The IPI is only used when actually necessary. The code inserted was always there and always executed although rarely needed. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
